{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x3f1014217f7f7ed422aeb4ee727f7d4d3fc36338e853e83d4197ebe15dbac0f5",
    "signature": "0xa8a5082c3439c327d8d6f92d4b2f282947a32ac295ae0d21b4db4c71be878214143fcbe7b11f0a972fb2e840878b52cec9410fd024b044f457b6fabf9bed84171c",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}